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Product Detailed Parameters
- Description：DIODE ZENER 110V 50W TO204AD
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：110 V
- Tolerance：±5%
- Power - Max：50 W
- Impedance (Max) (Zzt)：30 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 83.6 V
- Operating Temperature：-65°C ~ 175°C
- Mounting Type：Through Hole
- Package / Case：TO-204AD
- Voltage - Forward (Vf) (Max) @ If：1.5 V @ 10 A
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N2840RB is a high-power silicon Zener diode designed for robust voltage regulation applications. It features a nominal Zener voltage of 110 V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 50 W and utilizes a TO-204AD (TO-3) flange mount package suitable for through-hole installation. Qualified under MIL-PRF-19500/114, it operates within a temperature range of -65°C to +175°C.
Feature Summary
- Military-grade qualification per MIL-PRF-19500/114 standards
- High power handling capability up to 50 watts
- Wide operating temperature range from -65°C to +175°C
Applications
- High-voltage power supply regulation
- Industrial control systems requiring military reliability
- Overvoltage protection circuits in harsh environments
Procurement Notes
Verify the specific suffix RB indicates the required ±5% tolerance level distinct from other variants like A or B. Confirm that the TO-204AD package matches your thermal management requirements. Ensure procurement channels provide traceability documentation consistent with MIL-PRF-19500/114 specifications for quality assurance.
Selection Notes
Select this component when a precise 110 V reference is needed with tight tolerance constraints. The 50 W rating supports high-current shunt regulator designs. Consider the TO-3 package for efficient heat sinking compared to smaller form factors. Verify compatibility with existing circuit board layouts for through-hole mounting.
Part Context
This part belongs to the 1N2804B–1N2846B series of 50 Watt Zener diodes manufactured by Microchip. These devices are JEDEC registered and offer voltage regulation values ranging from 3.9 V to 200 V. The series includes commercial versions and qualified levels such as JAN, JANTX, and JANTXV for various reliability needs.
Replacement Considerations
Compatible substitutes include other 110 V, 50 W Zener diodes in TO-204AD packages from manufacturers producing MIL-PRF-19500/114 qualified components. Ensure any replacement maintains the same ±5% tolerance and thermal characteristics.
